//public class User {
//    int weight;
//
//    public User(int weight) {
//        this.weight = weight;
//    }
//
//    public static void main(String[] args) {
//        User user = new User(100);
//        System.out.println(user.weight);
//    }
//}


public class User {
    int weight;


    public static void main(String[] args) {
        User user = new User();
        System.out.println(user.weight);
    }
}